Exposure
ID
MATIS.2025-05-21T09:19:56.843_1
Header ID
MATIS.2025-05-21T09:19:56.843
Date updated
2025-05-21 09:26:10 UTC+0000
Release date
2025-05-21 09:19:56 UTC+0000
UTC Start
2025-05-21 09:19:56.843
UTC End
2025-05-21 09:20:59.243
MJD Start
60816.38885235
MJD End
60816.38957457222
Exposure time (s)
62.4
Validation level
1
Tau 0: Coherence time (s)
0.008514
Ambient temperature (°C)
15.1
Seeing (arcsec)
0.765
Observation
ID
67502
Category
calibrator
Program ID
115.2810.005
Program Title
THE DYNAMICAL INNER REGIONS OF PROTO-PLANETARY DISKS WITH VLTI-MATISSE
Program Type
GTO
PI / COI
VAN BOEKEL / MATTER / LOPEZ / JAFFE / HOGERHEIJDE / VAN HAASTERE / SCHEUCK / WEIGELT / VARGA / WATERS / AUGEREAU / HOFMANN / MILLOUR / PANTIN / WOLF / HENNING / SCHERTL / DANCHI / HOULLÉ / DOMINIK / BOLEY / KOKOULINA / PRIOLET / MA
Target
ID
50206
Name
HD 159881
RA
264.549273
DEC
-28.04686
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.5420 24.5370 167.6000 167.8000
A0-D0 24.8160 24.7330 90.1000 90.3000
A0-J3 110.3220 110.0610 59.6780 59.7240
B2-D0 30.8810 30.8450 39.3000 39.3000
B2-J3 120.1610 119.9530 48.4710 48.5090
D0-J3 89.8140 89.6420 51.6280 51.6670
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.2810.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60816.38885235
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 159881
RA 264.549273
DEC -28.04686
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.6
HIERARCH ESO DET SEQ1 PERIOD 1.04
HIERARCH ESO DET NDIT 60
HIERARCH ESO ISS PBL12 START 24.542
HIERARCH ESO ISS PBL12 END 24.537
HIERARCH ESO ISS PBLA12 START 167.6
HIERARCH ESO ISS PBLA12 END 167.8
HIERARCH ESO ISS PBL13 START 24.816
HIERARCH ESO ISS PBL13 END 24.733
HIERARCH ESO ISS PBLA13 START 90.1
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 110.322
HIERARCH ESO ISS PBL14 END 110.061
HIERARCH ESO ISS PBLA14 START 59.678
HIERARCH ESO ISS PBLA14 END 59.724
HIERARCH ESO ISS PBL23 START 30.881
HIERARCH ESO ISS PBL23 END 30.845
HIERARCH ESO ISS PBLA23 START 39.3
HIERARCH ESO ISS PBLA23 END 39.3
HIERARCH ESO ISS PBL24 START 120.161
HIERARCH ESO ISS PBL24 END 119.953
HIERARCH ESO ISS PBLA24 START 48.471
HIERARCH ESO ISS PBLA24 END 48.509
HIERARCH ESO ISS PBL34 START 89.814
HIERARCH ESO ISS PBL34 END 89.642
HIERARCH ESO ISS PBLA34 START 51.628
HIERARCH ESO ISS PBLA34 END 51.667
HIERARCH ESO ISS AMBI TAU0 START 0.008514
HIERARCH ESO ISS AMBI TAU0 END 0.008514
HIERARCH ESO ISS AMBI TEMP 15.1
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.67